if (typeof req.query.q != "undefined" && req.query.q.length > 2) {
    if (typeof req.query.filterByIndex != "undefined" && req.query.filterByIndex.length > 0) {
        var filter = {
            match: {}
        };
        filter.match[req.query.filterByIndex] = {
            "query": "*" + req.query.q.toLowerCase() + "*",
            "type": "phrase"
        }
        filters.push(filter);
    } else {
        filters.push({"bool": { "must": { "wildcard": { "name": "*" + req.query.q.toLowerCase() + "*" } } } });
    }
}